Multiplying unsigned channel values of the same type. Performs scaled multiplication result = a * b / max_value. More...

Classes
struct	channel_multiplier_unsigned< ChannelValue >
	This is the default implementation. Performance specializatons are provided. More...

struct	channel_multiplier_unsigned< uint8_t >
	Specialization of channel_multiply for 8-bit unsigned channels. More...

struct	channel_multiplier_unsigned< uint16_t >
	Specialization of channel_multiply for 16-bit unsigned channels. More...

struct	channel_multiplier_unsigned< float32_t >
	Specialization of channel_multiply for float 0..1 channels. More...

struct	channel_multiplier< ChannelValue >
	A function object to multiply two channels. result = a * b / max_value. More...

Functions
template<typename Channel >
auto	channel_multiply (Channel a, Channel b) -> typename channel_traits< Channel >::value_type
	A function multiplying two channels. result = a * b / max_value.

Detailed Description

Multiplying unsigned channel values of the same type. Performs scaled multiplication result = a * b / max_value.

Example:

uint8_t x=128;
uint8_t y=128;
uint8_t mul = channel_multiply(x,y);
assert(mul == 64);    // 64 = 128 * 128 / 255

Classes